#更多练习
print("Let's practice everything.")
print('You\'d need to know \'bout escapes eith \\ that do:')
print('\n newlines and \t tabs.')

poem="""
\tThe lovely world
with logic so firmly planted
cannnot discern \n the needs of love
nor comprehend passion from intuition
and requires an explantion
\n\t\twhere there is none.
"""

print("----------")
print(poem)
print("----------")


five=10 - 2+3-6
print(f"This should be five: {five}")

def secret_formula(started):
    jelly_beans=started*500
    jars=jelly_beans/1000
    crates=jars/100
    return jelly_beans,jars,crates


start_point=10000
beans,jars,crates=secret_formula(start_point)

#remember that this is another way to format a string
print("With a sterting point of: {}".format(start_point))
#it's just like with an f""string
print(f"We'd have {beans} beans, {jars} jars,and {crates} crates.")

start_point=start_point/10

print("We can also do that way:")
formula=secret_formula(start_point)
#this s an easy way to applly a list to a format string
print("We'd have {} beans, {} jars, and {} crates.".format(*formula))
